Finding the Fourth Proportional to 94,738.14, 130,718.61 and 54,448.74
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Solution
The fourth proportional to 94,738.14, 130,718.61 and 54,448.74 is: 75,127.75
Step by Step Solution
- Step 1: Write the proportion equation
94,738.14 : 130,718.61 = 54,448.74 : x - Step 2: Convert to fraction form
94,738.14/130,718.61 = 54,448.74/x - Step 3: Cross multiply
94,738.14x = 130,718.61 × 54,448.74 - Step 4: Simplify right side
94,738.14x = 7,117,463,609.05 - Step 5: Solve for x
x = 7,117,463,609.05/94,738.14 - Step 6: Final answer
x = 75,127.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.